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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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Using the average atomic masses given inside the front cover of the text, calculate the mass in grams of each of the following samples.

l type='a'>

  • 5.0 moles of nitric acid
  • 0.000305 mole of mercury
  •    2.31 × 10 5 mole of potassium chromate
  • 10.5 moles of’ aluminum chloride
  •    4.9 × 10 4 moles of sulfur hexafluoride
  • 1 25 moles of ammonia
  • 0.01205 mole of sodium peroxide
  • Interpretation Introduction

    (a)

    Interpretation:

    Mass in grams of each substance the following moles represent should be calculated.

    Concept Introduction:

    The molar mass, also known as molecular weight, is the sum of the total mass in grams of all the atoms that make up a mole of a particular molecule.

    Molar mass=Mass of the sample in gramsNumber of moles

    Mass of the sample in grams = Number of moles × Molar mass.

    Explanation

    Molar mass of HNO3 = {1.008 + 14.01 + (3 × 16.00) g/mol = 63

    Interpretation Introduction

    (b)

    Interpretation:

    Mass in grams of each substance the following moles represent should be calculated.

    Concept Introduction:

    The molar mass, also known as molecular weight, is the sum of the total mass in grams of all the atoms that make up a mole of a molecule.

    Molar mass=Mass of the sample in gramsNumber of moles

    Mass of the sample in grams = Number of moles × Molar mass.

    Interpretation Introduction

    (c)

    Interpretation:

    Mass in grams of each substance the following moles represent should be calculated.

    Concept Introduction:

    The molar mass, also known as molecular weight, is the sum of the total mass in grams of all the atoms that make up a mole of a molecule.

    Molar mass=Mass of the sample in gramsNumber of moles

    Mass of the sample in grams = Number of moles × Molar mass.

    Interpretation Introduction

    (d)

    Interpretation:

    Mass in grams of each substance the following moles represent should be calculated.

    Concept Introduction:

    The molar mass, also known as molecular weight, is the sum of the total mass in grams of all the atoms that make up a mole of a molecule.

    Molar mass=Mass of the sample in gramsNumber of moles

    Mass of the sample in grams = Number of moles × Molar mass.

    Interpretation Introduction

    (e)

    Interpretation:

    Mass in grams of each substance the following moles represent should be calculated.

    Concept Introduction:

    The molar mass, also known as molecular weight, is the sum of the total mass in grams of all the atoms that make up a mole of a molecule.

    Molar mass=Mass of the sample in gramsNumber of moles

    Mass of the sample in grams = Number of moles × Molar mass.

    Interpretation Introduction

    (f)

    Interpretation:

    Mass in grams of each substance the following moles represent should be calculated.

    Concept Introduction:

    The molar mass, also known as molecular weight, is the sum of the total mass in grams of all the atoms that make up a mole of a molecule.

    Molar mass=Mass of the sample in gramsNumber of moles

    Mass of the sample in grams = Number of moles × Molar mass.

    Interpretation Introduction

    (g)

    Interpretation:

    Mass in grams of each substance the following moles represent should be calculated.

    Concept Introduction:

    The molar mass, also known as molecular weight, is the sum of the total mass in grams of all the atoms that make up a mole of a particular molecule.

    Molar mass=Mass of the sample in gramsNumber of moles

    Mass of the sample in grams = Number of moles × Molar mass.

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